On November 24, 2019, Hanoi National University collaborated with the People's Committee of Ha Tinh province to organize a scientific seminar 'Nguyen Cong Tru with Vietnamese history and culture in the first half of the XIX century'. The seminar was attended by many researchers of history, culture and literature from universities and research institutes. The workshop focused on two topics: "Nguyen Cong Tru with literature, culture, family, homeland, and clan"; "Nguyen Cong Tru with history, politics and thought"; with 52 papers, focused on analyzing and clarifying the political, economic, ideological and cultural context of Vietnam in the late eighteenth century and the first half of the XIX century. Thereby more clearly depicting his image and great contributions to his homeland and the country on social, cultural, military and economic aspects. This book is a collection of articles, speeches and studies published at the seminar.